backup archivelog from sequence 的用法，备份部分归档日志

其他 2019-08-18 22:38:07 阅读次数: 0 
测试 rman 中备份归档的几种用法：

https://docs.oracle.com/cd/B19306_01/backup.102/b14194/rcmsynta008.htm


首先来看一个报错，因为控制文件中的归档记录与目前磁盘路径的归档路径不相符导致的。
[oracle@test-racdb-01 ~]$ rman target /

Recovery Manager: Release 11.2.0.4.0 - Production on Wed Jul 31 22:36:52 2019

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

connected to target database: TESTDB (DBID=2796352599)

RMAN> backup archivelog from sequence 22 format '/home/oracle/arc_%d_%U.arc';

Starting backup at 2019-07-31 22:37:11
current log archived
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=63 instance=testdb1 device type=DISK
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of backup command at 07/31/2019 22:37:21
RMAN-06059: expected archived log not found, loss of archived log compromises recoverability
ORA-19625: error identifying file /u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_24_1013024473.dbf
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3

用如下方法解决：
RMAN> crosscheck archivelog all;

released channel: ORA_DISK_1
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=63 instance=testdb1 device type=DISK
validation succeeded for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_9_1013024473.dbf RECID=2 STAMP=1015107343
validation succeeded for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_10_1013024473.dbf RECID=3 STAMP=1015107370
validation succeeded for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_11_1013024473.dbf RECID=6 STAMP=1015107574
validation succeeded for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_12_1013024473.dbf RECID=7 STAMP=1015107658
validation succeeded for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_13_1013024473.dbf RECID=10 STAMP=1015107739
validation succeeded for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_14_1013024473.dbf RECID=11 STAMP=1015107761
validation succeeded for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_15_1013024473.dbf RECID=14 STAMP=1015107778
validation succeeded for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_16_1013024473.dbf RECID=15 STAMP=1015107803
validation succeeded for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_17_1013024473.dbf RECID=18 STAMP=1015107826
validation succeeded for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_18_1013024473.dbf RECID=19 STAMP=1015107845
validation succeeded for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_19_1013024473.dbf RECID=22 STAMP=1015107874
validation succeeded for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_20_1013024473.dbf RECID=23 STAMP=1015107961
validation succeeded for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_21_1013024473.dbf RECID=25 STAMP=1015107991
validation succeeded for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_22_1013024473.dbf RECID=28 STAMP=1015108111
validation succeeded for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_23_1013024473.dbf RECID=29 STAMP=1015108193
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_24_1013024473.dbf RECID=31 STAMP=1015108312
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch1_25_1013024473.dbf RECID=32 STAMP=1015108312
validation succeeded for archived log
archived log file name=+DATADG/testdb/archivelog/2019_07_31/thread_1_seq_26.271.1015108377 RECID=34 STAMP=1015108377
validation succeeded for archived log
archived log file name=+DATADG/testdb/archivelog/2019_07_31/thread_1_seq_27.272.1015108389 RECID=35 STAMP=1015108388
validation succeeded for archived log
archived log file name=+DATADG/testdb/archivelog/2019_07_31/thread_1_seq_28.274.1015108545 RECID=39 STAMP=1015108544
validation succeeded for archived log
archived log file name=+DATADG/testdb/archivelog/2019_07_31/thread_1_seq_29.275.1015108559 RECID=40 STAMP=1015108559
validation succeeded for archived log
archived log file name=+DATADG/testdb/archivelog/2019_07_31/thread_1_seq_30.277.1015108581 RECID=42 STAMP=1015108580
validation succeeded for archived log
archived log file name=+DATADG/testdb/archivelog/2019_07_31/thread_1_seq_31.279.1015108593 RECID=44 STAMP=1015108592
validation succeeded for archived log
archived log file name=+DATADG/testdb/archivelog/2019_07_31/thread_1_seq_32.281.1015108631 RECID=46 STAMP=1015108632
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_7_1013024473.dbf RECID=1 STAMP=1015107334
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_8_1013024473.dbf RECID=4 STAMP=1015107364
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_9_1013024473.dbf RECID=5 STAMP=1015107565
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_10_1013024473.dbf RECID=8 STAMP=1015107652
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_11_1013024473.dbf RECID=9 STAMP=1015107730
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_12_1013024473.dbf RECID=12 STAMP=1015107754
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_13_1013024473.dbf RECID=13 STAMP=1015107769
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_14_1013024473.dbf RECID=16 STAMP=1015107796
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_15_1013024473.dbf RECID=17 STAMP=1015107817
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_16_1013024473.dbf RECID=20 STAMP=1015107838
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_17_1013024473.dbf RECID=21 STAMP=1015107865
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_18_1013024473.dbf RECID=24 STAMP=1015107955
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_19_1013024473.dbf RECID=26 STAMP=1015107985
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_20_1013024473.dbf RECID=27 STAMP=1015108102
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_21_1013024473.dbf RECID=30 STAMP=1015108252
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_22_1013024473.dbf RECID=33 STAMP=1015108369
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_23_1013024473.dbf RECID=36 STAMP=1015108384
validation failed for archived log
archived log file name=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch2_24_1013024473.dbf RECID=37 STAMP=1015108419
validation succeeded for archived log
archived log file name=+DATADG/testdb/archivelog/2019_07_31/thread_2_seq_25.273.1015108533 RECID=38 STAMP=1015108533
validation succeeded for archived log
archived log file name=+DATADG/testdb/archivelog/2019_07_31/thread_2_seq_26.276.1015108553 RECID=41 STAMP=1015108553
validation succeeded for archived log
archived log file name=+DATADG/testdb/archivelog/2019_07_31/thread_2_seq_27.278.1015108575 RECID=43 STAMP=1015108575
validation succeeded for archived log
archived log file name=+DATADG/testdb/archivelog/2019_07_31/thread_2_seq_28.280.1015108587 RECID=45 STAMP=1015108586
validation succeeded for archived log
archived log file name=+DATADG/testdb/archivelog/2019_07_31/thread_2_seq_29.282.1015108625 RECID=47 STAMP=1015108625
Crosschecked 47 objects


然后开始 from sequence 22 进行备份，那么只会备份 thread 1 的日志。
RMAN> backup archivelog from sequence 22 format '/home/oracle/arc_%d_%U.arc';

Starting backup at 2019-07-31 22:37:36
current log archived
using channel ORA_DISK_1
channel ORA_DISK_1: starting archived log backup set
channel ORA_DISK_1: specifying archived log(s) in backup set
input archived log thread=1 sequence=22 RECID=28 STAMP=1015108111
input archived log thread=1 sequence=23 RECID=29 STAMP=1015108193
input archived log thread=1 sequence=26 RECID=34 STAMP=1015108377
input archived log thread=1 sequence=27 RECID=35 STAMP=1015108388
input archived log thread=1 sequence=28 RECID=39 STAMP=1015108544
input archived log thread=1 sequence=29 RECID=40 STAMP=1015108559
input archived log thread=1 sequence=30 RECID=42 STAMP=1015108580
input archived log thread=1 sequence=31 RECID=44 STAMP=1015108592
input archived log thread=1 sequence=32 RECID=46 STAMP=1015108632
input archived log thread=1 sequence=33 RECID=48 STAMP=1015108659
channel ORA_DISK_1: starting piece 1 at 2019-07-31 22:37:42
channel ORA_DISK_1: finished piece 1 at 2019-07-31 22:37:43
piece handle=/home/oracle/arc_TESTDB_03u82l1l_1_1.arc tag=TAG20190731T223741 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 2019-07-31 22:37:43

这样才会备份两个节点的日志：
RMAN> backup archivelog all format '/home/oracle/arc_%d_%U.arc';

Starting backup at 2019-07-31 22:37:52
current log archived
using channel ORA_DISK_1
channel ORA_DISK_1: starting archived log backup set
channel ORA_DISK_1: specifying archived log(s) in backup set
input archived log thread=1 sequence=9 RECID=2 STAMP=1015107343
input archived log thread=1 sequence=10 RECID=3 STAMP=1015107370
input archived log thread=1 sequence=11 RECID=6 STAMP=1015107574
input archived log thread=1 sequence=12 RECID=7 STAMP=1015107658
input archived log thread=1 sequence=13 RECID=10 STAMP=1015107739
input archived log thread=1 sequence=14 RECID=11 STAMP=1015107761
input archived log thread=1 sequence=15 RECID=14 STAMP=1015107778
input archived log thread=1 sequence=16 RECID=15 STAMP=1015107803
input archived log thread=1 sequence=17 RECID=18 STAMP=1015107826
input archived log thread=1 sequence=18 RECID=19 STAMP=1015107845
input archived log thread=1 sequence=19 RECID=22 STAMP=1015107874
input archived log thread=1 sequence=20 RECID=23 STAMP=1015107961
input archived log thread=1 sequence=21 RECID=25 STAMP=1015107991
input archived log thread=1 sequence=22 RECID=28 STAMP=1015108111
input archived log thread=1 sequence=23 RECID=29 STAMP=1015108193
input archived log thread=1 sequence=26 RECID=34 STAMP=1015108377
input archived log thread=1 sequence=27 RECID=35 STAMP=1015108388
input archived log thread=1 sequence=28 RECID=39 STAMP=1015108544
input archived log thread=2 sequence=25 RECID=38 STAMP=1015108533
input archived log thread=2 sequence=26 RECID=41 STAMP=1015108553
input archived log thread=1 sequence=29 RECID=40 STAMP=1015108559
input archived log thread=1 sequence=30 RECID=42 STAMP=1015108580
input archived log thread=2 sequence=27 RECID=43 STAMP=1015108575
input archived log thread=1 sequence=31 RECID=44 STAMP=1015108592
input archived log thread=2 sequence=28 RECID=45 STAMP=1015108586
input archived log thread=1 sequence=32 RECID=46 STAMP=1015108632
input archived log thread=2 sequence=29 RECID=47 STAMP=1015108625
input archived log thread=1 sequence=33 RECID=48 STAMP=1015108659
input archived log thread=2 sequence=30 RECID=49 STAMP=1015108652
input archived log thread=1 sequence=34 RECID=50 STAMP=1015108673
input archived log thread=2 sequence=31 RECID=51 STAMP=1015108667
channel ORA_DISK_1: starting piece 1 at 2019-07-31 22:37:57
channel ORA_DISK_1: finished piece 1 at 2019-07-31 22:37:58
piece handle=/home/oracle/arc_TESTDB_04u82l25_1_1.arc tag=TAG20190731T223756 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 2019-07-31 22:37:58

这样也是仅仅备份的 节点1 的日志
RMAN> backup archivelog from sequence 22 all format '/home/oracle/arc_%d_%U.arc';

Starting backup at 2019-07-31 22:38:24
current log archived
using channel ORA_DISK_1
channel ORA_DISK_1: starting archived log backup set
channel ORA_DISK_1: specifying archived log(s) in backup set
input archived log thread=1 sequence=22 RECID=28 STAMP=1015108111
input archived log thread=1 sequence=23 RECID=29 STAMP=1015108193
input archived log thread=1 sequence=26 RECID=34 STAMP=1015108377
input archived log thread=1 sequence=27 RECID=35 STAMP=1015108388
input archived log thread=1 sequence=28 RECID=39 STAMP=1015108544
input archived log thread=1 sequence=29 RECID=40 STAMP=1015108559
input archived log thread=1 sequence=30 RECID=42 STAMP=1015108580
input archived log thread=1 sequence=31 RECID=44 STAMP=1015108592
input archived log thread=1 sequence=32 RECID=46 STAMP=1015108632
input archived log thread=1 sequence=33 RECID=48 STAMP=1015108659
input archived log thread=1 sequence=34 RECID=50 STAMP=1015108673
input archived log thread=1 sequence=35 RECID=53 STAMP=1015108706
channel ORA_DISK_1: starting piece 1 at 2019-07-31 22:38:27
channel ORA_DISK_1: finished piece 1 at 2019-07-31 22:38:28
piece handle=/home/oracle/arc_TESTDB_05u82l32_1_1.arc tag=TAG20190731T223826 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 2019-07-31 22:38:28如果想备份节点2 的日志可以用如下的方法：

RMAN> backup archivelog from sequence 22 thread 2 format '/home/oracle/arc_%d_%U.arc';

Starting backup at 2019-07-31 22:44:03
current log archived
using channel ORA_DISK_1
channel ORA_DISK_1: starting archived log backup set
channel ORA_DISK_1: specifying archived log(s) in backup set
input archived log thread=2 sequence=25 RECID=38 STAMP=1015108533
input archived log thread=2 sequence=26 RECID=41 STAMP=1015108553
input archived log thread=2 sequence=27 RECID=43 STAMP=1015108575
input archived log thread=2 sequence=28 RECID=45 STAMP=1015108586
input archived log thread=2 sequence=29 RECID=47 STAMP=1015108625
input archived log thread=2 sequence=30 RECID=49 STAMP=1015108652
input archived log thread=2 sequence=31 RECID=51 STAMP=1015108667
input archived log thread=2 sequence=32 RECID=52 STAMP=1015108697
input archived log thread=2 sequence=33 RECID=55 STAMP=1015109013
input archived log thread=2 sequence=34 RECID=56 STAMP=1015109036
channel ORA_DISK_1: starting piece 1 at 2019-07-31 22:44:07
channel ORA_DISK_1: finished piece 1 at 2019-07-31 22:44:08
piece handle=/home/oracle/arc_TESTDB_07u82ldn_1_1.arc tag=TAG20190731T224406 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 2019-07-31 22:44:08

命令：

backup archivelog from sequence 22 thread 1 format '/home/oracle/arc_%d_%U.arc';
backup archivelog from sequence 22 thread 2 format '/home/oracle/arc_%d_%U.arc';

 

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